## An Introduction to APL. |

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### Contents

Arrays part 1 | 13 |

Defined Functions part 1 | 29 |

System Commands part 1 | 49 |

Copyright | |

6 other sections not shown

### Common terms and phrases

account number active workspace arrays of higher Boolean branch to command Brown University carriage return catenation character data columns computation contains corresponding current work session defined definition mode DEFN ERROR deleting denotes depress the RETURN display dyadically used operators elements of value empty vector erased error report evaluation executed expression FNS AREA CONVERGENCE following examples illustrate func function definition function WORDS furnishes global variables group ARCON GROWTHTABLE hyperbolic functions ID ID ID identifier independent variable index origin inner product input insertion integer intermediate results keyboard label left argument LIBR mand matrix monadic Note numerical values outer product parenthesis partial sums password Peter Wegner polynomial positive QUADRATIC quadratic equation response RETURN key right argument rightward arrow scalar Similarly space specified stop control stored workspace switch symbol system command consisting terminal tion typed by overstriking vector consisting yields ZERO