n-th term of an arithmetic progression
\[a_n=a_1+d(n-1)\]
NMT / ZNO
Formulas and reference
A compact mathematics reference in two levels: the NMT exam sheet and the full ZNO formula set.
NMT — exam reference sheet
·
Algebra
·
4 formulas
NMT mode
Shows only the compact set matching the NMT-2026 reference materials.
Sequences
Arithmetic progression
Sum of the first n terms of an arithmetic progression
\[S_n=\frac{a_1+a_n}{2}\,n\]
Sequences
Geometric progression
n-th term of a geometric progression
\[b_n=b_1q^{\,n-1}\]
Sum of the first n terms of a geometric progression
\[S_n=\frac{b_1(q^n-1)}{q-1}\]
Condition
\(q\ne1\)
No formulas match this search.
Trigonometric values table
| α | 0° | 30° | 45° | 60° | 90° | 180° | 270° | 360° |
|---|---|---|---|---|---|---|---|---|
| sin α | \(0\) | \(1/2\) | \(\sqrt2/2\) | \(\sqrt3/2\) | \(1\) | \(0\) | \(-1\) | \(0\) |
| cos α | \(1\) | \(\sqrt3/2\) | \(\sqrt2/2\) | \(1/2\) | \(0\) | \(-1\) | \(0\) | \(1\) |
| tg α | \(0\) | \(1/\sqrt3\) | \(1\) | \(\sqrt3\) | \(\text{—}\) | \(0\) | \(\text{—}\) | \(0\) |
Squares table 10–49
102 = 100
112 = 121
122 = 144
132 = 169
142 = 196
152 = 225
162 = 256
172 = 289
182 = 324
192 = 361
202 = 400
212 = 441
222 = 484
232 = 529
242 = 576
252 = 625
262 = 676
272 = 729
282 = 784
292 = 841
302 = 900
312 = 961
322 = 1024
332 = 1089
342 = 1156
352 = 1225
362 = 1296
372 = 1369
382 = 1444
392 = 1521
402 = 1600
412 = 1681
422 = 1764
432 = 1849
442 = 1936
452 = 2025
462 = 2116
472 = 2209
482 = 2304
492 = 2401