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34 kInput Ranges ....................................................... 37 Specifications ................................................ 39 Two-line Display You can simultaneously check the calculation formula and its answer. The first line displays the calculation formula. The second line displays the answer. E-5 Key Layout < fx-570W> Page 12 9 REPLAY SHIFT ALPHA MODE OFF Page 25 16 29 25 15 16 x! LOGIC CONV Page25 30 16 27 16 15 Page 18 24 12 29 15 29 15 29 DEC HEX 10 BIN e OCT Page17 12 15 16 15 15 Page 11 30 1111 11 14 11 14 11 A B C sin-1 D cos-1 E tan-1 F Page11 30 14 14 14 Page 20 24 21 24 24 11 20 11 11 11 DISTR Re<->lm r arg Abs X Y M-M 20 DT CL 20 Page11 11 11 11 11 Page 21 17 21 17 21 17 9 11 19 AM BG CT INS McIScI Page 9 Page 21 17 21 17 21 17 19 19 .m k pf n Pol( Rec( nPr nCr y y Page 19 17 19 1719 17 21 18 21 18 Page16 16 16 15 13 Rnd Ran# DRG Page 11 10 CONV fx-100W: 15 E-6 < fx-991W> Page 129 2 REPLAY SHIFT ALPHA MODE ON Page 25 16 29 25 15 16 x! LOGIC CONV Page25 30 16 27 16 15 Page 18 24 12 29 15 29 15 29 DEC HEX 10 BIN e OCT Page17 12 15 16 15 15 Page 11 30 1111 11 14 11 14 11 A B C sin-1 D cos-1 E tan-1 F Page11 30 14 14 14 Page 20 24 21 24 24 11 20 11 11 11 DISTR Re<->lm r arg Abs X Y M-M 20 DT CL 20 Page11 11 11 11 11 Page 21 17 21 17 21 17 9 11 19 AM BG CT INS McIScI Page 9 Page 21 17 21 17 21 17 19 19 .m k pf n Pol( Rec( nPr nCr y y Page 19 17 19 1719 17 21 18 21 18 Page16 16 16 15 13 Rnd Ran# DRG Page 11 10 CONV fx-115W: 15 E-7 Before Starting Calculations... k Modes Application Mode Name Mode Indicator Calculation Modes Normal calculations COMP – Complex number calculations CMPLX CMPLX Standard deviation calculations SD SD Regression calculations REG REG Base-n calculations BASE-N b (binary) o (octal) d (decimal) H (hexadecimal) Angle Unit Modes Degrees DEG R Radians RAD T Grads GRA B Display Modes Exponential notation (Canceling FIX and SCI specification) NORM1 NORM2 – – Number of decimal place specification FIX Fix Number of significant digit specification SCI Sci Exponential display range specifications ENG ENG Note! •Mode indicators appear in the lower part of the display, except for the Base-n indicators which appear in the exponent part of the display. • The ENG mode cannot be selected while the calculator is in the CMPLX or BASE-N mode. E-8 •You cannot set the angle unit or the display mode while the calculator is in the BASE-N mode. • The COMP, CMPLX, SD, and REG modes can be used in combination with the angle unit modes. •Be sure to check the current calculation mode (SD, REG, COMP, CMPLX) and angle unit mode (DEG, RAD, GRA) before beginning a calculation. k Input Capacity • The memory area used for calculation input can hold 79 “steps.” Whenever you input the 73rd step of any calculation, the cursor changes from “_” to “k” to let you know memory is running low. If you still need to input more, you should divide your calculation into two or more parts. k Making Corrections During Input •Use e and r to move the cursor to the location you want. •Press [ to delete the number or function at the current cursor position. •Press A K to change to an insert cursor t. Inputting something while the insert cursor is on the display inserts the input at the insert cursor position. •Press e, r, A K, or = returns to the normal cursor from the insert cursor. k Replay Function •Pressing r or e recalls the last calculation you performed. You can then make any changes you want in the calculation and re-execute it. •Pressing t does not clear Replay memory, so you can recall the last calculation even after you press t. •Replay memory is cleared whenever you start a new calculation, change to another mode, or turn off power. E-9 k Error Locator •Pressing r or e after an error occurs displays the calculation with the cursor positioned at the location where the error occurred. k Exponential Display Formats This calculator can display up to 10 digits. Larger values are automatically displayed using exponential notation. In the case of decimal values, you can select between two formats that determine at what point exponential notation is used. Press FFFF31 (or 2) to select NORM 1 or NORM 2. • NORM 1 With NORM 1, exponential notation is automatically used for integer values with more than 10 digits and decimal values with more than two decimal places. • NORM 2 With NORM 2, exponential notation is automatically used for integer values with more than 10 digits and decimal values with more than nine decimal places. •All of the examples in this manual show calculation results using the NORM 1 format. k Answer Memory •Whenever you press = after inputting values or an expression, the calculated result is automatically stored in Answer Memory. You can recall Answer Memory contents by pressing g. •Answer Memory can store up to 12 digits for the mantissa and two digits for the exponent. •Answer Memory contents are not changed if the operation performed by any of the above key operations results in an error...

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