From fb38a1f6fd3caec768b782e0f24cfe7619cb4b74 Mon Sep 17 00:00:00 2001 From: NerdyPepper Date: Sun, 7 Apr 2019 20:05:06 +0530 Subject: update usage, progress --- readme.md | 49 +++++++++++++++++++++++++++---------------------- 1 file changed, 27 insertions(+), 22 deletions(-) (limited to 'readme.md') diff --git a/readme.md b/readme.md index a81f9a1..ea96c76 100644 --- a/readme.md +++ b/readme.md @@ -23,7 +23,23 @@ $ cargo run ### usage ```shell -$ eva +eva 0.2.3 +NerdyPepper +Calculator REPL similar to bc(1) + +USAGE: + eva [FLAGS] [OPTIONS] [INPUT] + +FLAGS: + -h, --help Prints help information + -r, --radian set eva to radian mode + -V, --version Prints version information + +OPTIONS: + -f, --fix set number of decimal places in the output + +ARGS: + optional expression string to run eva in command mode ``` type out an expression and hit enter, repeat. @@ -47,23 +63,12 @@ type out an expression and hit enter, repeat. All trignometric functions expect input in degrees. ``` -sin -cos -tan -csc -sec -cot -sinh -cosh -tanh -ln -log -sqrt -ceil -floor +sin cos tan csc sec cot sinh cosh tanh +asin acos atan acsc asec acot ln log sqrt +ceil floor abs + deg(x) - convert x to degrees rad(x) - convert x to radians -abs(x) - (x * x) ^ 0.5 ``` examples: @@ -78,14 +83,14 @@ log(100) # yes - auto insertion of `*` operator ``` -12sin(45(2)) # 12 * sin(45 * (2)) -ans: 12 +>12sin(45(2)) # 12 * sin(45 * (2)) +12 ``` - auto balancing of parentheses ``` -ceil(sqrt(3^2 + 5^2 # ceil(sqrt(3^2 + 5^2)) -ans: 6 +>ceil(sqrt(3^2 + 5^2 # ceil(sqrt(3^2 + 5^2)) +6 ``` - super neat error handling @@ -98,8 +103,8 @@ Domain Error: Out of bounds! - add support for variables (ans, pi, e) - multiple arg functions - - screenshots - - create logo + - ~~screenshots~~ + - ~~create logo~~ - ~~unary operators (minus, plus)~~ - ~~add detailed error handler~~ - ~~add unit tests~~ -- cgit v1.2.3