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NOTEPAD__2006-04-29-02:04.50
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TEMPLAT_TEXT
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This is a simple Speagram notepad. You can write Speagram code inside % $ $ % blocks. This will be rendered in html, like this: %$Load state library:/basic.$% Use "Run" in the menu to run the code for the given part of your notepad. Use "New" on the left to create a new part and up/down to move parts. Use blank lines for new paragraph, as in TeX. As we are going to use music let us %$Load state file:/music.$%
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Let us add a function to repeat lists easily. You can see how simple speagram code works here. %$ New function ''repeat'' ?a list natural number ''times'' as ?a list. New variable sequence as ?a list. New variable n as natural number. Let repeat sequence 0 times be []. Let repeat sequence n times be sequence + repeat sequence n - 1 times. $%
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Now we write some music using the repeat function defined above. The second number for a note determines the octave. %$ Music "test" tempo 3 on 4 notes repeat A3 quarter, C4 quarter, F4 eighth, F4 eighth 2 times + A 3 quarter, C 4 quarter, F 4 quarter. $%
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Unicode test. %$ New function ''ęąśćłżðżłą'' boolean as boolean. $%
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%$ New function natural number ''!'' as natural number. Let 0! be 1. Let n! be (n-1)! * n. Close context. 0!. 1!. 2!. 3!. 4!. New function natural number ''^'' natural number as natural number. Variable n as natural number. Variable k as natural number. Let n^0 be 1. Let n^k be n * (n^(k-1)). Close context. 2^0. 2^1. 2^2. 2^3. 3+3. $%
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