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Code Issues Releases Wiki Activity

RPNCalc overhaul

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osmarks
2021-03-06 21:15:16 +00:00
parent b2bb51217d
commit 1902999735
5 changed files with 1288 additions and 417 deletions
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9
experiments/rpncalc-v4/index.html
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@@ -12,8 +12,13 @@ code {
background-color:rgb(230, 230, 230);
padding: 0 0.125rem;
}
button {
border: 1px solid gray;
padding: 0.3em;
}
</style>
<textarea id="inbox"></textarea>
<textarea id="inbox" rows=10></textarea>
<button id="step">step</button>
<button id="play">play</button>
<button id="load">load</button>
@@ -26,7 +31,7 @@ code {
<p>use <code>(name; value)</code> to define something. the definition can be recursive. <code>value</code> is executed and <code>name</code> is set to the final state of the stack, i.e. <code>(name; 1 3)</code> is possible</p>
<p>use <code>'</code> to push instead of apply to the stack, e.g. <code>'(a -> a)</code>. This is useful for lazyness, i.e. <code>'(->lazy evaluated thing)</code></p>
<ul>
<li><code>+, -, *, /, ^, sqrt</code>: mathematical operations</li>
<li><code>+, -, *, /, ^, sqrt, cbrt, exp, log, (a)cos/sin/tan, abs, floor</code>: mathematical operations</li>
<li><code>==</code>: equality (automatically derived for all types); returns <code>a b -> a</code> if true, <code>a b -> b</code> if false</li>
<li><code>typeof</code>: returns the type of the object</li>
<li><code>pair, fst, snd</code>: pairs two objects, gets first or second item of pair</li>