APL expressions from Notation as a Tool of Thought
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| ιω | index generator : list of naturals (up to ω) | |
| +/ω | sum reduction : sum of elements of ω | |
| +\ω | sum scan : sums of prefixes of ω | |
| αρω | shape : reshape ω with dimensions given by α | |
| Φω | reverse : ω in reverse order | |
| α⋆ω | exponential : pow(α,ω) | |
| α×ω | multiplication : times(α,ω) | |
| α+ω | addition : plus(α,ω) | |
| !ω | factorial : ω! | |
| ~ω | negation : boolean inverse of ω | |
| ⋆ω | exponentiation: exp(ω) | |
| α∧ω | conjunction: α and ω | |
| α∨ω | disjunction : α or ω | |
| ÷ω | reciprocal : 1/ω | |
| -ω | negation : -ω | |
| α┌ ω | maximum : max(α,ω) | |
| α└ ω | minimum : min(α,ω) | 
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