User Manual
Page 4
...records of data to protect against such data loss. • Never dispose of battery (fx-85B/fx-280), the liquid crystal panel, or other damages arising out of dust. Correct operation will resume once the calculator is made up of the unit, be liable to you are being performed correctly. ...8226; Never leave the dead battery (fx-85B/fx-280) in areas exposed to high temperature or humidity, or large amounts of...
...records of data to protect against such data loss. • Never dispose of battery (fx-85B/fx-280), the liquid crystal panel, or other damages arising out of dust. Correct operation will resume once the calculator is made up of the unit, be liable to you are being performed correctly. ...8226; Never leave the dead battery (fx-85B/fx-280) in areas exposed to high temperature or humidity, or large amounts of...
User Manual
Page 5
...Standard deviation calculations Fl SD Normal calculations Calculations using degrees F0 F4 COMP DEG Calculations using radians Calculations using grads F5 RAD F6 GRA Number of decimal place specification F7 FIX Number of display indicator indicates COMP Mode. - 3 - Absence of significant digit specification ...F8 SCI Cancels FIX and SCI settings F9 NORM * Display indicators show current mode setting. fully reread this manual and ensure that the problem is not due to low battery power (fx-85B/fx-280) or operational error...
...Standard deviation calculations Fl SD Normal calculations Calculations using degrees F0 F4 COMP DEG Calculations using radians Calculations using grads F5 RAD F6 GRA Number of decimal place specification F7 FIX Number of display indicator indicates COMP Mode. - 3 - Absence of significant digit specification ...F8 SCI Cancels FIX and SCI settings F9 NORM * Display indicators show current mode setting. fully reread this manual and ensure that the problem is not due to low battery power (fx-85B/fx-280) or operational error...
User Manual
Page 10
kAdditional fx-85B/fx-280 Memory Calculations • The fx-85B/fx-280 has two additional memories named A and B. • Use A J to store data and 0 to recall data. • Storing data in a memory replaces anything stored there ... clear a memory, store a zero in it. • Example 1: To input 123 in memory A. t 123 A J 1 123. - 8 - MK 135. MK 234. MK 135. M 13. • Example 3: To calculate the following using memory and a constant: (12҂3)ȕ(45҂3)ѿ(78҂3)҃135. (12҂3) (45҂3) (78҂3) (Memory recall) 3 - - 12...
kAdditional fx-85B/fx-280 Memory Calculations • The fx-85B/fx-280 has two additional memories named A and B. • Use A J to store data and 0 to recall data. • Storing data in a memory replaces anything stored there ... clear a memory, store a zero in it. • Example 1: To input 123 in memory A. t 123 A J 1 123. - 8 - MK 135. MK 234. MK 135. M 13. • Example 3: To calculate the following using memory and a constant: (12҂3)ȕ(45҂3)ѿ(78҂3)҃135. (12҂3) (45҂3) (78҂3) (Memory recall) 3 - - 12...
User Manual
Page 23
All clear t Sign change E • Memory Memory in A Y Memory minus A { Memory plus Memory recall Z • fx-85B/fx-280 Memory Memory A recall 0 1 Memory B recall 0 2 Memory M recall 0 3 Memory A store A J 1 - 21 - Technical Information kKeys and Their Functions • General Arithmetic calculations Backspace Q Clear(retains memory k Number input 0 - 9, l Power on;
All clear t Sign change E • Memory Memory in A Y Memory minus A { Memory plus Memory recall Z • fx-85B/fx-280 Memory Memory A recall 0 1 Memory B recall 0 2 Memory M recall 0 3 Memory A store A J 1 - 21 - Technical Information kKeys and Their Functions • General Arithmetic calculations Backspace Q Clear(retains memory k Number input 0 - 9, l Power on;
User Manual
Page 29
...intermediate result just prior to the overflow, so you could also press k. kPower Supply • fx-82SOLAR/fx-260SOLAR This calculator is within the range of ѿ(1҂10Ҁ99)to an area with the calculation from that point. • No error occurs when the result is powered by a solar ... impossible, or the contents of the independent memory may be restored by the CASIO TWO- • In the case of condition e, you can continue with more light. • fx-85B/fx-280 This calculator is indicated when memory contents spontaneously clear, or when the display darkens under ...
...intermediate result just prior to the overflow, so you could also press k. kPower Supply • fx-82SOLAR/fx-260SOLAR This calculator is within the range of ѿ(1҂10Ҁ99)to an area with the calculation from that point. • No error occurs when the result is powered by a solar ... impossible, or the contents of the independent memory may be restored by the CASIO TWO- • In the case of condition e, you can continue with more light. • fx-85B/fx-280 This calculator is indicated when memory contents spontaneously clear, or when the display darkens under ...
User Manual
Page 34
kSpecifications Power Supply : fx-82SOLAR/fx-260SOLAR : Solar cell fx-85B/fx-280 : CASIO TWO-WAY POWER System: solar cell plus one G13 Type (SR44 or LR44) batter y Battery Life (fx-85B/fx-280) : Approximately 3 years (1 hour use per day) on LR44/SR44 battery Input Ranges : Functions Input Range sinx cosx tanx (DEG) ȊxȊ9҂109 (...
kSpecifications Power Supply : fx-82SOLAR/fx-260SOLAR : Solar cell fx-85B/fx-280 : CASIO TWO-WAY POWER System: solar cell plus one G13 Type (SR44 or LR44) batter y Battery Life (fx-85B/fx-280) : Approximately 3 years (1 hour use per day) on LR44/SR44 battery Input Ranges : Functions Input Range sinx cosx tanx (DEG) ȊxȊ9҂109 (...
User Manual
Page 37
Operating Temperature: 0°C-40°C (32°F-104°F) Dimensions: fx-82SOLAR/fx-260SOLAR: 8(H)i66.5(W)i125(D) mm 5/16"(H)i2-5/8"(W)i4-15/16"(D) fx-85B/fx-280: 13.5(H)i73(W)i144.5(D) mm 1/2"(H)i2-7/8"(W)i5-5/8"(D) Weight: fx-82SOLAR/fx-260SOLAR: 47 g (1.7oz) fx-85B/fx-280: 67 g (2.4oz) including battery Calculation Capacity: • Input/ Basic Calculations 10-digit mantissa; or 10-digit mantissa plus 2-digit exponent up to 10±99 - 35 -
Operating Temperature: 0°C-40°C (32°F-104°F) Dimensions: fx-82SOLAR/fx-260SOLAR: 8(H)i66.5(W)i125(D) mm 5/16"(H)i2-5/8"(W)i4-15/16"(D) fx-85B/fx-280: 13.5(H)i73(W)i144.5(D) mm 1/2"(H)i2-7/8"(W)i5-5/8"(D) Weight: fx-82SOLAR/fx-260SOLAR: 47 g (1.7oz) fx-85B/fx-280: 67 g (2.4oz) including battery Calculation Capacity: • Input/ Basic Calculations 10-digit mantissa; or 10-digit mantissa plus 2-digit exponent up to 10±99 - 35 -