address routine page 34E9 TEST-ZERO 202 34F9 Greater than zero (37) 202 3501 NOT (30) 202 3506 Less than zero (36) 203 350B Zero or one 203 351B OR (07) 203 3524 Number AND number (08) 203 352D String AND number (10) 204 353B Comparison (09-0E, 11-16) 204 359C String concatenation (17) 205 35BF STK-PNTRS 206 35C9 CHR$ (2F) 206 35DE VAL and VAL$ (1D,18) 207 361F STR$ (2E) 208 3645 Read-in (1A) 208 3669 CODE (1C) 209 3674 LEN (1E) 209 367A Decrease the counter (35) 209 3686 Jump (33) 209 368F Jump on true (00) 210 369B END-CALC (38) 210 36A0 Modulus (32) 210 36AF INT (27) 211 36C4 Exponential (26) 211 3713 Natural logarithm (25) 213 3783 Reduce argument (39) 215 37AA Cosine (20) 216 37B5 SINE (1 F) 216 37DA Tan (21) 217 37E2 ARCTAN (24) 218 3833 Arcsin (22) 219 3843 Arccos (23) 220 384A Square root (28) 220 3851 Exponentiation (06) 220 APPENDIX BASIC programs for the main series. - Series generator 222 - SIN X 223 - EXP X 224 - LN X 226 - ATNX 228 The 'DRAW' algorithm 228 The 'CIRCLE' algorithm 229 Note on Small Integers and -65536 229