Casio FX250HC Support Question
Casio FX250HC Support Question
Find answers below for this question about Casio FX250HC - Basic Scientific Calculator.Need a Casio FX250HC manual? We have 1 online manual for this item!
Question posted by cporter90576 on October 18th, 2012
Radians To Degrees
how to change over radians to degrees mode
Current Answers
Related Casio FX250HC Manual Pages
User Manual - Page 4
...a solution of malfunction, repairs, or battery replacement. When exposed to low temperature, the calculator may require more time to display results and may even fail to clean the unit. The... savings, or any other components by burning them.
- 2 - Correct operation will resume once the calculator is made up of batteries, the liquid crystal panel, or other damages arising out of water and ...
User Manual - Page 5
... specification
F8
SCI
Cancels FIX and SCI settings
F9 NORM
* Display indicators show current mode setting. Modes Application
Key
Mode
Operation Name*
Standard deviation calculations Normal calculations
Fl F0
SD COMP
Calculations using degrees Calculations using radians
F4
DEG
F5
RAD
Calculations using grads
F6
GRA
Number of decimal place specification
F7
FIX
Number of the...
User Manual - Page 6
... be used in combination
with the COMP and SD modes. • F9does not exit SD mode. • F0exits SD mode. • F0does not clear SCI or FIX specifications. • Always press t before entering DEG, RAD, and GRA
modes. • Remember to always set the operating mode and angular
unit (DEG, RAD, GRA) before starting your calculation.
- 4 -
User Manual - Page 7
O 5+ 4PP =
122.
• You can skip all P operations before the = key.
- 5 - Basic Calculations
• Use the COMP mode for basic calculations.
• Example 1: 23ѿ4.5Ҁ53 23 + 4.5 , 53 =
-25.5
• Example 2: 56҂(Ҁ12)Ö(Ҁ2.5) 56 -12 E \ 2.5 E =
268.8
• Example 3: 2Ö3҂(1҂...
User Manual - Page 8
...or \ twice after inputting a number to make that number a constant.
• "K" is on the display while a constant is being used. • Use the COMP mode for constant calculations.
• Example 1: 2.3ѿ3, then 2.3ѿ6
(2.3ѿ3)
2.3 + + 3 =
K 5.3
(2.3ѿ6)
6 =
K 8.3
• Example 2: 12҂2.3, then 12҂(ȕ9)
(12҂2.3)
12 - - 2.3 =
(12҂(ȕ...
User Manual - Page 9
....75
(53ѿ6)
53 + 6 = Y
M
59.
(23ȕ8)
23 , 8 |
M
15.
(56҂2)
56 - 2 |
M 112.
(99Ȗ4)
99 \ 4 |
M 24.75
(Memory recall)
Z
M 210.75
• Example 2: To calculate the following using memory as shown. Memory Calculations
• Use the COMP mode for memory calculations. • Use Y, |, A { and Z for memory...
User Manual - Page 10
MK 135. MK 234. Fraction Calculations
• Use COMP mode for fraction calculations.
• Total number of digits (including division marks) cannot
exceed 10.
• Example 1:
2 3
ѿ
4 5
҃1
7 15
2 C 3 + 4 C 5 =
1 7 15.
• Example 2:
3
1 4
ѿ1
2 3
҃
4
11 12
3 C 1 C 4 +
1 C 2 C 3 =
4 11 12.
&#...
User Manual - Page 11
•
Example 4:
1 2
ѿ1.6҃2.1
1 C 2 + 1.6 =
2.1
Fraction/decimal calculation result is always decimal.
• Example 5:
1 2
↔ 0.5 (Fraction ↔ Decimal)
1 C 2 =
C
C
1 2. 0.5
1 2.
•
Example 6:
1
2 3
↔
5 3
1 C 2 C 3
A B
A B
1 2 3. 5 3.
1 2 3.
- 9 -
User Manual - Page 12
Percentage Calculations
• Use COMP mode for percentage calculations.
• Example 1: To calculate 12% of 1500. 1500 - 12 A v
180.
• Example 2: To calculate what percentage of 880 is 660.
660 \ 880 A v
75.
• Example 3: To add 15% onto 2500. 2500 - 15 A v +
2875.
• Example 4: To discount 3500 by 25%. 3500 - 25 A v ,
2625.
• Example 5: To calculate the...
User Manual - Page 13
...)
63 I 52 I 41 I W
DEG
0.440283084
• Example 3: tan (ȕ35gra)(GRA mode)
35 E h
GRA
-0.612800788
• Example 4: cos-1 ( 2 rad) (RAD mode)
2
2 L \ 2 = A V
RAD
0.785398163
- 11 - Scientific Function Calculations
• Use COMP mode for scientific function calculations. • Some calculations may take a long time to complete. • Wait for result before starting next...
User Manual - Page 16
kFIX, SCI, NORM, RND, RAN#, ENG Calculations
• Example 1: 1.234ѿ1.234, rounding result to clear FIX specification.
FIX
2.46
• Example 3: 1Ö 3 , displaying result with two significant digits (SCI 2).
F 7 21.234 A b +
1....
User Manual - Page 18
...
1.407885953
Population standard deviation
A p
SD
1.316956719
- 16 -
Statisticasl Calculations (SD Mode)
• Press Flto enter the SD Mode for statistical calculations using standard deviation.
• If FIX or SCI is on the display, press F9 first. • Data input always starts with Au.
• Example: To calculate nҀ1, n, o, n, ⌺x, and ⌺x2 for...
User Manual - Page 20
... } 30 }
Correction
49 A [ 51 } 120 - 30 A [130 31 }
Technical Information
kKey and Their Functions
• General Arithmetic calculations
18 - Correct 51 }
130 31 } 130 31 }
Actual 50 }
120 -
120 31
Correction
A [ 51 }
t130 31 } t130 31 }
• Example 2: To change data you previously input.
kMaking Corrections During Data Input • Example 1: To...
User Manual - Page 23
Square A K Square root L Tangent h Permutation A m Combination A n
• Statistics (SD Mode) Arithmetic mean A ` Data delete A [ Data input Number of data A r Population standard deviation A p Sample standard .... In the case of values A o
kExponential Display Formats This calculator can select between two formats that determine at what point exponential notation is used.
- 21 -
User Manual - Page 24
... nine decimal places. There is no indication on the display of which format is currently in this manual show calculation results using the NORM 1 format. F0 (COMP mode)
2.
F9 (NORM mode)
4. Enter the correct modes to confirm it is automatically used for integer values with more than 10 digits and decimal values with more...
User Manual - Page 25
... on display.)
- 23 - When an illegal mathematical operation (such as an attempt to clear only the last calculation performed.
• To change the operator key A w, A s, etc.) you pressed. kMaking Corrections During Calculations
• If you make further calculation impossible. kOverflow or Error Check
The following conditions make a mistake when inputting a value (but the operation...
User Manual - Page 26
... sure to replace the batteries at least once every two
years, regardless of how much the calculator is used . ("- 1-" indicator appears on . • Press i to the overflow, so you could also press k. kPower Supply
This calculator is performed for about six
minutes.
Important! Replace batteries as soon
as possible when display characters...
User Manual - Page 27
Remove the screws that come in the calculator when you replace the batteries. Install two new batteries with your physician immediately. Press tto turn power off. 2. If swallowed, consult with the positive (ѿ) ...
User Manual - Page 28
... first. • Registers L1 through L6 store operations. xy, x1/y, R →P, P →R, nPr, nCr 3. ҂, Ȗ 4 Operations with the same precedence are six registers, so calculations up to six levels can be stored. • Each level can contain up to three open parentheses, so parentheses can be nested up to right...
User Manual - Page 29
Coordinate Transformation
• With polar coordinates, θ can be calculated within a range of -180°θ ͨ180°. Y
Y
P (x, y)
P (r, θ )
Pol r
y Rec θ
0
x
X
0
... the formulas, ranges, and conventions that are applied to various calculations that can be performed using this calculator.
The calculation range is the same for radians and grads.
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