# Specification

## Table of Contents

## Calculator #

### Basic Operations #

Arithmetic operations (addition, subtraction, multiplication and division, raising to power and root – all judging the priority of operations) negative umbers, exponent, 36 parentheses at 12 levels and constant operations.

### Scientific Functions #

Trigonometric and inverse trigonometric functions (with angle in degrees, radians or gradients); hyperbolic and inverse hyperbolic functions, logarithmic and exponential functions; reciprocals; factorial; square root; square, decimal ⇔ sexagecimal conversion, binary-octal-hexadecimal calculation, coordinate transformation, absolute value, removing integer part, removing faction part, percentages, premiums, discounts, rations, rate of change; random numbers; π.

### Statistical functions #

Standard deviation (2 kinds), mean, sum, square sum, number of data.

### Memory #

110 independent memories with 5 key modes (non-volatile).

### Range of number #

± 1 × 10^{99} to ± 9.999999999 × 10^{99} and 0, internal operations use 12 digits mantissa.

### Decimal Point #

Full decimal floating point arithmetic with underflow (possible display of engineering decimals).

### Rounding #

According to the specified number of significant digits or the specified decimal paces.

## Programming Features #

### Number of Steps #

6'144 steps (non-volatile)

### Jumps #

Unconditional jump (GOTO), up to 10 pairs, condition jump (x=0, x≥0, x=F, x≥F), count jump (ISZ, DSZ), subroutine (GSP) up to 19 subroutines, up to 19 depths.

### Number of programs storable #

Up to 20 (P0 to P19)

### Checking and Editing Functions #

Check, debug, deletion addition, etc.

### Indirect addressing #

For M-register, destination of jump, calling subroutines.

### Miscellaneous functions #

Manual Jump (GOTO), temporary suspension of execution (PAUSE), command code and step number displayed during check, FA-6 interface.

## General #

### Number of display digits and formats: #

10-digit mantissas (including minus sign), 2-digit exponent, two-tier liquit crystal display, hexadecimal display, sexagesimal display, condition display for (S, F, MODE, hyp, K, HLT, RUN, WRT, PCL, I/O, BASE-N, DEG, RAD, GRA, d, h, b, o, ALPHA and CAPS)

### Character display function #

32-character program command display, 16-character comment display.

### Character display functions #

Upper and lower case characters 10^{100}, illogical calculations and jumps; error messages displayed

### Power supply: #

- 2 lithium batteries CR2032 main power supply
- 1 lithium batteries CR2032 backup
- 0.03W