A featureful calculator for when you want to do math in a terminal.
tcalc supports two modes of usage: terminal and REPL.
```bash
$ tcalc '2**8 - 1' 'ans >> 1' 'abs(-13.7)' 255 127 13.7 ```
```bash
$ tcalc
2**8 - 1 255 ans >> 1 127 abs(-13.7) 13.7 exit ```
cargo install tcalc from your terminal| Operator | Description | |----------|--------------------------------------------------------------| | ( ) | parens | | - ! | negate, bitwise NOT | | ** | exponentiation | | * / % | multiplication, division, modulo | | + - | addition, subtraction | | ++ -- | increment, decrement (suffix) | | << >> | left shift, right shift | | & | bitwise AND | | ^ | bitwise XOR | | \| | bitwise OR | | = | variable assignment | | += -= = /= %= *= &= \|= ^= <<= >>= | compound assignment | | func_name([arg, ...]) | function call |
| Numeric Format | Description | |----------------|----------------------------| | [0-9] | decimal literal | | [0-9].[0-9] | fractional decimal literal | | 0b[0-1] | binary literal | | 0o[0-7] | octal literal | | 0d[0-9] | decimal literal | | 0d[0-9].[0-9] | fractional decimal literal | | 0x[0-9a-f] | hexadecimal literal |
| Variable | Description | |----------|-------------------------------| | e | Euler's number (e) | | phi | Golden ratio (φ) | | pi | Archimedes' constant (π) | | ans | Result of previous expression |
| Function | Description |
|----------|------------------------------------------------------------------------|
| abs(n) | Returns the absolute value of n |
| ceil(n) | Returns the smallest integer greater than or equal to n |
| floor(n) | Returns the largest integer less than or equal to n |
| round(n) | Returns the nearest integer to n; Round half-way cases away from 0.0 |
| Command | Description | |---------|--------------------------| | exit | exit the REPL | | quit | alias for exit |