| Abbreviation | Definition |
|---|---|
| SPSS | Statistical Package for the Social Sciences |
| SPTM | Standards for Preparing Teachers of Mathematics |
| SPVR | Successive Partial Variation Relaxation |
| SPWM | Summer Program for Women in Mathematics |
| SQP | Successive Quadratic Programming |
| SQRT | SQuare RooT |
| SQS | Steiner Quadruple System |
| SR | Single Ray |
| SR | Slide Rule |
| SRAC | Southern Regional Algebra Conference |
| SRD | Signed Root Deviance |
| SRG | The Square Root Of G |
| SRMR | standardized root mean square residual |
| SRSS | Square Root Of Summation Of Squares |
| SRT | Square Root (usually seen as SQRT) |
| SS | Solid Sided |
| SS | Specific Symbol |
| SS | Sum of Squares |
| SS | Symbolic Solution |
| SSA | Side, Side, Angle |