Full Line Calculator Brochure
Page 5
... Positive numbers are printed in black and negative numbers in red 5.2 Lines-per -second) • Profit margin calculation • Currency Conversion • Clock and calendar function • Decimal positions: +, 0, 2, 3, 4, 6, F • Power save mode Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight 6 Desktop Printing Calculator Ink Ribbon 14 Digits for rounding up /off /down . Memory calculation. Item...
... Positive numbers are printed in black and negative numbers in red 5.2 Lines-per -second) • Profit margin calculation • Currency Conversion • Clock and calendar function • Decimal positions: +, 0, 2, 3, 4, 6, F • Power save mode Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight 6 Desktop Printing Calculator Ink Ribbon 14 Digits for rounding up /off /down . Memory calculation. Item...
Full Line Calculator Brochure
Page 6
... Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon 14 Digits for rounding up /off /down . Grand Total. Memory calculation. Constant multiplication, division and percentage calculation. Tax calculation. Item count. AC 32˚F - 104˚F (0˚C - 40˚C) 8.9" (W) x 14.0" (L) x 3.2" (H) (227mm x 355.5mm x 82mm) 3.5 lbs. (1.6 kg) 7 Mixed calculations. Results fixed at + (Add mode), 0, 2, 3, 4, 6, F (Floating position) selection switch...
... Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon 14 Digits for rounding up /off /down . Grand Total. Memory calculation. Constant multiplication, division and percentage calculation. Tax calculation. Item count. AC 32˚F - 104˚F (0˚C - 40˚C) 8.9" (W) x 14.0" (L) x 3.2" (H) (227mm x 355.5mm x 82mm) 3.5 lbs. (1.6 kg) 7 Mixed calculations. Results fixed at + (Add mode), 0, 2, 3, 4, 6, F (Floating position) selection switch...
Full Line Calculator Brochure
Page 7
... numbers in red 4.8 Lines-per -second) • Profit margin calculation • Clock and calendar function • Quick reference guide • Decimal positions: +, 0, 2, 3, 4, 6, F • Power save mode Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight 8 Desktop Printing Calculator Ink Ribbon 12 Digits for all calculations Extra-large Fluorescent Tube Display Leftmost digit priority with floating decimal point. Tax...
... numbers in red 4.8 Lines-per -second) • Profit margin calculation • Clock and calendar function • Quick reference guide • Decimal positions: +, 0, 2, 3, 4, 6, F • Power save mode Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight 8 Desktop Printing Calculator Ink Ribbon 12 Digits for all calculations Extra-large Fluorescent Tube Display Leftmost digit priority with floating decimal point. Tax...
Full Line Calculator Brochure
Page 8
... Positive numbers are printed in black and negative numbers in red 4.3 Lines-per -second) • Profit margin calculation • Clock and calendar function • Quick reference guide • Decimal positions: +, 0, 2, 3, 4, 6, F • Prints black and red Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon 12 Digits for rounding up /off /down . Tax calculation. Chain multiplication and...
... Positive numbers are printed in black and negative numbers in red 4.3 Lines-per -second) • Profit margin calculation • Clock and calendar function • Quick reference guide • Decimal positions: +, 0, 2, 3, 4, 6, F • Prints black and red Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon 12 Digits for rounding up /off /down . Tax calculation. Chain multiplication and...
Full Line Calculator Brochure
Page 9
... Fixed at + (Add mode), 0, 2, 3, 4, 6, F (Floating position) selection switch for rounding up/off/down Positive numbers are printed in black and negative numbers in red 3.5 Lines-per -second) • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, 4, 6, F • Mark-up /down and delta percent • Prints black and red Features Type Printing system Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon...
... Fixed at + (Add mode), 0, 2, 3, 4, 6, F (Floating position) selection switch for rounding up/off/down Positive numbers are printed in black and negative numbers in red 3.5 Lines-per -second) • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, 4, 6, F • Mark-up /down and delta percent • Prints black and red Features Type Printing system Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon...
Full Line Calculator Brochure
Page 10
... -second) • Profit margin calculation • Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, 4, 6, F • Prints black and red Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon 12 Digits for rounding up /off /down . Chain multiplication and division. Add mode. Percentage add-on/ discount calculation. Results fixed...
... -second) • Profit margin calculation • Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, 4, 6, F • Prints black and red Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Ribbon 12 Digits for rounding up /off /down . Chain multiplication and division. Add mode. Percentage add-on/ discount calculation. Results fixed...
Full Line Calculator Brochure
Page 11
... numbers in red 2.3 Lines-per -second) • Profit margin calculation • Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 1, 2, 3, 4, F Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Usable Temperature Dimensions Weight 12 Desktop Printing Calculator Ink Roller 12 Digits for all calculations Fluorescent Tube Display Leftmost digit priority with ink roller (2.3 Lines-per -second Standard plain paper...
... numbers in red 2.3 Lines-per -second) • Profit margin calculation • Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 1, 2, 3, 4, F Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Usable Temperature Dimensions Weight 12 Desktop Printing Calculator Ink Roller 12 Digits for all calculations Fluorescent Tube Display Leftmost digit priority with ink roller (2.3 Lines-per -second Standard plain paper...
Full Line Calculator Brochure
Page 12
...-per-second) • Profit margin calculation • Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 1, 2, 3, 4, F Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Roller 12 Digits for all calculations Fluorescent Tube Display + (Add mode), 0, 1, 2, 3, 4, F selection switch for rounding up /off /down . Grand total. Memory calculation...
...-per-second) • Profit margin calculation • Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 1, 2, 3, 4, F Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Usable Temperature Dimensions Weight Desktop Printing Calculator Ink Roller 12 Digits for all calculations Fluorescent Tube Display + (Add mode), 0, 1, 2, 3, 4, F selection switch for rounding up /off /down . Grand total. Memory calculation...
Full Line Calculator Brochure
Page 14
... • Clock and calendar function • Time calculation function • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, F • Prints purple and red • Automatic power-off function • AC/DC power (AC adapter included) • Battery strength indicator Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight Mini Desktop Printing Calculator Ink Roller 12 Digits for rounding up...
... • Clock and calendar function • Time calculation function • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, F • Prints purple and red • Automatic power-off function • AC/DC power (AC adapter included) • Battery strength indicator Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight Mini Desktop Printing Calculator Ink Roller 12 Digits for rounding up...
Full Line Calculator Brochure
Page 15
... Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight 16 Palm Printing Calculator Ink Roller 12 Digits for all calculations Liquid Crystal Display F (Floating Position) 0, 2, 3, 4, A (Add Mode) for round off . Tax function. Percentage calculation. Addition, subtraction, multiplication and division. Time calculation. Percentage add-on/discount calculation. Mixed calculations. Memory calculation. AC Adapter AC-380II (included) 4 AA size batteries...
... Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Ink Roller Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight 16 Palm Printing Calculator Ink Roller 12 Digits for all calculations Liquid Crystal Display F (Floating Position) 0, 2, 3, 4, A (Add Mode) for round off . Tax function. Percentage calculation. Addition, subtraction, multiplication and division. Time calculation. Percentage add-on/discount calculation. Mixed calculations. Memory calculation. AC Adapter AC-380II (included) 4 AA size batteries...
Full Line Calculator Brochure
Page 39
... Computer Math Statistics Replay Other Usable Temperature Dimensions Weight Lines-2, 1st Line Display (Dot Matrix)-12, 2nd Line Display-10+2, Contrast Adjustable, Notation (Sci/Eng) No of Value, Median, Maximum/Minimum Value, Factorials/ Permutations & Combinations, Probability Distribution, Linear Regression, Quadratic Regression, Exponential/Logarithmic/Power/Inverse Regression, Correlation Coefficient, Regression Coefficient, Random Number Generation, Integer Random Number Generation Last Digit Correction, Last Answer Recall, Multiple Replay, Block Level Reply (Base-n mode), UNDO/Input...
... Computer Math Statistics Replay Other Usable Temperature Dimensions Weight Lines-2, 1st Line Display (Dot Matrix)-12, 2nd Line Display-10+2, Contrast Adjustable, Notation (Sci/Eng) No of Value, Median, Maximum/Minimum Value, Factorials/ Permutations & Combinations, Probability Distribution, Linear Regression, Quadratic Regression, Exponential/Logarithmic/Power/Inverse Regression, Correlation Coefficient, Regression Coefficient, Random Number Generation, Integer Random Number Generation Last Digit Correction, Last Answer Recall, Multiple Replay, Block Level Reply (Base-n mode), UNDO/Input...
Full Line Calculator Brochure
Page 40
... functions • 10+2 digits • Dual power (solar and battery) • 17 store and recall memories • 38 built-in Formula-38, Engineering Symbol Calculations Parentheses-24, General Calculation, Logab Calculation, Fraction Calculation, Degree-minutes-seconds Decimal degrees/sexagesimal cal., Quotient & Remainder Calculation/Exchange, Least Common Multiple/Greatest Common Divisor, Absolute Value Calculation, MultiStatements Calculation Angles Conversion, DRG Mode Calculation, Trigonometric Calculation, Coordination Conversion (Rectangular Polar) 1-/2- Variable-2, Mean/Standard...
... functions • 10+2 digits • Dual power (solar and battery) • 17 store and recall memories • 38 built-in Formula-38, Engineering Symbol Calculations Parentheses-24, General Calculation, Logab Calculation, Fraction Calculation, Degree-minutes-seconds Decimal degrees/sexagesimal cal., Quotient & Remainder Calculation/Exchange, Least Common Multiple/Greatest Common Divisor, Absolute Value Calculation, MultiStatements Calculation Angles Conversion, DRG Mode Calculation, Trigonometric Calculation, Coordination Conversion (Rectangular Polar) 1-/2- Variable-2, Mean/Standard...
Full Line Calculator Brochure
Page 41
...+ 38 built-in Formula-38, Scientific Constants/Constant Value-1, Engineering Symbol Calculations General Calculation, Fraction Calculation, Degree-minutes-seconds Decimal degrees/ sexagesimal cal. Angles Conversion, DRG Mode Calculation, Trigonometric Calculation, Coordination Conversion (Rectangular Polar) 1-/2- Variable-1, Mean/Standard Deviation/ Sum of Store Memory-3, Independent Memory-1, Parentheses-23, Pending Operations-7 Direct Input Calculation Expression, Built-in formulas; • Power Source: alkaline battery CR-2032 • Easy-to-read description of key functions •...
...+ 38 built-in Formula-38, Scientific Constants/Constant Value-1, Engineering Symbol Calculations General Calculation, Fraction Calculation, Degree-minutes-seconds Decimal degrees/ sexagesimal cal. Angles Conversion, DRG Mode Calculation, Trigonometric Calculation, Coordination Conversion (Rectangular Polar) 1-/2- Variable-1, Mean/Standard Deviation/ Sum of Store Memory-3, Independent Memory-1, Parentheses-23, Pending Operations-7 Direct Input Calculation Expression, Built-in formulas; • Power Source: alkaline battery CR-2032 • Easy-to-read description of key functions •...
Full Line Calculator Brochure
Page 42
...-1, Mean, Standard Deviation, Sum of Store Memory-10, Independent Memory-1, Parentheses-15, Pending Operations-5 Fixed Decimal Option, Log, 10x, In, ex, x2, x√, y2, 1/x, x√y, %, Exponential calculation in a x 10x, Degree-minutes-seconds , Decimal deg./sexagesimal cal., Rectangular Polar DEG, RAD, GRAD, DRG Conversions, Sin, Cos, Tan, Inverses, Hyperbolic Binary, Octal, Decimal, Hexadecimal, Logic Operator/Base-N calculation 1-/2- F-604 142 TOTAL FUNCTIONS • Display type: floating, scientific exponential liquid crystal display • 142 total functions • Power Source...
...-1, Mean, Standard Deviation, Sum of Store Memory-10, Independent Memory-1, Parentheses-15, Pending Operations-5 Fixed Decimal Option, Log, 10x, In, ex, x2, x√, y2, 1/x, x√y, %, Exponential calculation in a x 10x, Degree-minutes-seconds , Decimal deg./sexagesimal cal., Rectangular Polar DEG, RAD, GRAD, DRG Conversions, Sin, Cos, Tan, Inverses, Hyperbolic Binary, Octal, Decimal, Hexadecimal, Logic Operator/Base-N calculation 1-/2- F-604 142 TOTAL FUNCTIONS • Display type: floating, scientific exponential liquid crystal display • 142 total functions • Power Source...
Full Line Calculator Brochure
Page 43
...Mean, Standard Deviation, Sum of key functions • Large, durable plastic keytops • Protective hard cover case included Features Display Memory Mathematics Trigonometry Statistics Usable Temperature Dimensions Weight Lines-1, Calculating Digits/Scientific Notation8+2, Alphanumeric-Partial Independent Memory-1, Parentheses-15, Pending Operations-3 Fixed Decimal Option, Log, 10x, In, ex, x2, x√, y2, 1/x, x√y, %, Exponential calculation in a x 10x, Degree-minutes-seconds , Decimal degrees/ sexagesimal cal., Rectangular Polar DEG, RAD, GRAD, DRG Conversions, Sin, Cos, Tan...
...Mean, Standard Deviation, Sum of key functions • Large, durable plastic keytops • Protective hard cover case included Features Display Memory Mathematics Trigonometry Statistics Usable Temperature Dimensions Weight Lines-1, Calculating Digits/Scientific Notation8+2, Alphanumeric-Partial Independent Memory-1, Parentheses-15, Pending Operations-3 Fixed Decimal Option, Log, 10x, In, ex, x2, x√, y2, 1/x, x√y, %, Exponential calculation in a x 10x, Degree-minutes-seconds , Decimal degrees/ sexagesimal cal., Rectangular Polar DEG, RAD, GRAD, DRG Conversions, Sin, Cos, Tan...
Full Line Calculator Brochure
Page 45
...8226; Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, 4, 6, F • Power save mode Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight Commercial Printing Calculator Ink Ribbon 14 Digits for all calculations Extra-large Fluorescent Tube Display + (Add mode), 0, 2, 3, 4, 6, F (Floating position) selection switch for rounding up /down Positive numbers are printed in...
...8226; Clock and calendar function • Quick and easy tax calculations • Decimal positions: +, 0, 2, 3, 4, 6, F • Power save mode Features Type Printing System Calculation Capacity Display Decimal Point System Rounding Printing Color Printing Speed Printing Paper Types of Calculations Power Source Auto Power Off Usable Temperature Dimensions Weight Commercial Printing Calculator Ink Ribbon 14 Digits for all calculations Extra-large Fluorescent Tube Display + (Add mode), 0, 2, 3, 4, 6, F (Floating position) selection switch for rounding up /down Positive numbers are printed in...
Full Line Calculator Brochure
Page 61
... use in Base-N Calculation A-D,M,X,Y 9 9 7 FORMULA / INPUT Direct Input Calculation Expression Built-in Base-N Calculation 5 15 F-502 136 1 3 15 Coordination Conversion (Rectangular Polar) Equation Solving (Quadratic, Cubic, Simultaneous) CALC Function SOLVE Function Complex Number Operations Quotient & Remainder Calculation, Exchange Least Common Multiple, Greatest Common Divisor Absolute Value Calculation Multi-Statements Calculation TRIGONOMETRY Angles Conversion DRG Mode Calculation Trigonometric Calculation COMPUTER MATHEMATICS Base-N Calculation (Decimal, Hexadecimal, Binary...
... use in Base-N Calculation A-D,M,X,Y 9 9 7 FORMULA / INPUT Direct Input Calculation Expression Built-in Base-N Calculation 5 15 F-502 136 1 3 15 Coordination Conversion (Rectangular Polar) Equation Solving (Quadratic, Cubic, Simultaneous) CALC Function SOLVE Function Complex Number Operations Quotient & Remainder Calculation, Exchange Least Common Multiple, Greatest Common Divisor Absolute Value Calculation Multi-Statements Calculation TRIGONOMETRY Angles Conversion DRG Mode Calculation Trigonometric Calculation COMPUTER MATHEMATICS Base-N Calculation (Decimal, Hexadecimal, Binary...
Full Line Calculator Brochure
Page 62
... F-502 STATISTICS Variable Mean, Standard Deviation, Sum of Value 2 2 1 1 1 Median Maximum, Minimum Value Factorials, Permutations & Combinations Probability Distribution Linear Regression Quadratic Regression Factorials only Exponential / Logarithmic / Power/ Inverse Regression Correlation Coefficient Regression Coefficient Random Number Generation Integer Random Number Generation REPLAY/OTHERS Last Digit Correction Last Answer Recall Multiple Replay Block Level Reply (Base-N Mode) UNDO / Input Recover Others Low Battery Indicator Low Battery Indicator Exchange Display...
... F-502 STATISTICS Variable Mean, Standard Deviation, Sum of Value 2 2 1 1 1 Median Maximum, Minimum Value Factorials, Permutations & Combinations Probability Distribution Linear Regression Quadratic Regression Factorials only Exponential / Logarithmic / Power/ Inverse Regression Correlation Coefficient Regression Coefficient Random Number Generation Integer Random Number Generation REPLAY/OTHERS Last Digit Correction Last Answer Recall Multiple Replay Block Level Reply (Base-N Mode) UNDO / Input Recover Others Low Battery Indicator Low Battery Indicator Exchange Display...
Full Line Calculator Brochure
Page 64
...-G = 4√2-x5 = 1.78 x-1 = 1-x 1/2 --> 0.5 1 1/2 --> 3/2 321x10-14 = 3.21 EXP ( - )16 ax2+bx+c=0 ax3+bx2+cx+d=0 3x+4y=c & 6x+2y=c if x=1, y=2, c=? (2+3i) + (4+5i) = 6+8i 6 is real number; 8 is imaginary number 2.3456 --> 2˚20'44.16 Calculation of Stored Memory Independent Memory Parentheses Last Answer Recall MATHEMATICS Fixed Decimal Option Composition Ratio Calculation Significant Digits Exponential Display Format Rounding Pi Logarithms Exponential / Antilogarthms Square, Power Square Square Roots, Multiple Roots Geometric Mean Cube Roots, Cubes Reciprocal Fractions Fractions -
...-G = 4√2-x5 = 1.78 x-1 = 1-x 1/2 --> 0.5 1 1/2 --> 3/2 321x10-14 = 3.21 EXP ( - )16 ax2+bx+c=0 ax3+bx2+cx+d=0 3x+4y=c & 6x+2y=c if x=1, y=2, c=? (2+3i) + (4+5i) = 6+8i 6 is real number; 8 is imaginary number 2.3456 --> 2˚20'44.16 Calculation of Stored Memory Independent Memory Parentheses Last Answer Recall MATHEMATICS Fixed Decimal Option Composition Ratio Calculation Significant Digits Exponential Display Format Rounding Pi Logarithms Exponential / Antilogarthms Square, Power Square Square Roots, Multiple Roots Geometric Mean Cube Roots, Cubes Reciprocal Fractions Fractions -
Full Line Calculator Brochure
Page 65
... point x and above the mean minX: minimum X maxX: maximumX med: median x, xo- Correlation Coefficient Variables x, y Linear Regression Quadratic Regression Exponential Regression Logarithmic Regression Power Regression Inverse Regression Random Integer Random r xˆ, yˆ A,B,x,y A,B,C,x,y A,B,x,y A,B,x,y A,B,x,y A,B,x,y Rand i-Rand to calculate the value in the regression formula (1,5),(3,9) ; Scientific Calculator Function Reference (cont'd.) Function Sign / Key Symbol / Calculation TRIGONOMETRY Angles (Degree, Radian, Gradient) Trigonometry, Inverse Trigonometry Sin, Cos, Tan...
... point x and above the mean minX: minimum X maxX: maximumX med: median x, xo- Correlation Coefficient Variables x, y Linear Regression Quadratic Regression Exponential Regression Logarithmic Regression Power Regression Inverse Regression Random Integer Random r xˆ, yˆ A,B,x,y A,B,C,x,y A,B,x,y A,B,x,y A,B,x,y A,B,x,y Rand i-Rand to calculate the value in the regression formula (1,5),(3,9) ; Scientific Calculator Function Reference (cont'd.) Function Sign / Key Symbol / Calculation TRIGONOMETRY Angles (Degree, Radian, Gradient) Trigonometry, Inverse Trigonometry Sin, Cos, Tan...
