| Smart-looking, in British lingo | 31 |
| Sine study, for short | 21 |
| Sine field | 10 |
| Precalc course | 14 |
| Pre-calc | 8 |
| Palin boy | 9 |
| One of the Palin children | 25 |
| Navigator's study | 21 |
| Math type | 9 |
| Math subject, informally | 24 |
| Math subject, briefly | 21 |
| Math subj. with many functions | 30 |
| Math study | 10 |
| Math dept. subject | 18 |
| Math course with sines and tans | 31 |
| Math class, informally | 22 |
| Math class, in brief | 20 |
| Math class before calc. | 23 |
| Math class before calc | 22 |
| Kin of geom. | 12 |
| Kin of alg. | 11 |
| It involves angles, for short | 29 |
| It has several functions | 24 |
| High-school math course, briefly | 32 |
| High-school math class | 22 |
| Course with sines and tans | 26 |
| Course with many angles | 23 |
| Course with a lot of angles | 27 |
| Class that might a lecture about sin | 36 |
| Class in which the law of cosines is taught | 43 |
| Class for anglers? | 18 |
| Calculus prerequisite | 21 |
| Calc. lead-in | 13 |
| Calc lead-in | 12 |
| Calc kin | 8 |
| Brother of Track, Bristol, Willow and Piper | 43 |
| Branch of advanced math | 23 |
| Advanced math, for short | 24 |
| Adv. math course | 16 |
| A Palin | 7 |
| ''What's your sine?'' subject, informally | 61 |
| Three-horse chariot | 19 |
| Roman chariot | 13 |
| Ancient three-horse chariot | 27 |
| Party for math students? | 24 |
| TheyÂ’re found in six of this puzzleÂ’s squares | 53 |
| Roy's ride | 14 |
| Roy Rogers's steed | 22 |
| Roy Rogers's palomino | 25 |
| Roy Rogers's horse | 22 |
| Roy Rogers' horse | 21 |
| He ran under Rogers | 19 |
| Finger lever | 12 |
| Buttermilk's stablemate | 27 |
| Buttermilk's companion | 26 |
| Armed gang member | 17 |
| A gunslinger may have an itchy one | 34 |
| Roy Rogers's favorite digit? | 32 |
| Impetuous, N.R.A. style? | 24 |
| Mobster's bodyguard, perhaps | 32 |
| Area of interest to a masseur | 29 |
| Gun activators | 14 |
| Positive ID provided by Roy Rogers' horse? | 46 |
| Modern-day alerts that The New Republic suggested The Onion carry | 65 |
| Important energy sources | 24 |
| Wheat: Sp. | 10 |
| Spanish wheat | 13 |
| Subject of this puzzle [and proceeding counterclockwise] | 56 |
| Class often taken before calculus: Abbr. | 40 |
| Ancient three-sided harp | 24 |
| Ancient three-sided harps | 25 |
| Three-letter sequence | 21 |
| Three-letter combo | 18 |
| MNO on a telephone dial, e.g. | 29 |
| I Ching symbol | 14 |
| Any three-letter sequence | 25 |
| ABC or XYZ | 10 |
| ABC and KLM, e.g. | 17 |
| Three letters forming a single sound | 36 |
| Cluster of three letters | 24 |
| Cluster of letters, like "sch" | 40 |
| Wheel stoppers | 14 |
| Wedges for wheels | 17 |
| Hidden cheat sheet used during a math exam? | 43 |
| The DC-10 was one | 17 |
| Three-wheeler | 13 |
| Early mode of transportation | 28 |
| Tot's three-wheeler | 23 |
| Three-wheeler, for short | 24 |
| Rug rat's wheels | 20 |
| Kid's carrier | 17 |
| Tot's transportation | 24 |
| Sidewalk vehicle | 16 |
| Kiddie transport, briefly | 25 |
| Early transport | 15 |
| Wheels in the driveway | 22 |
| Tyke's bike | 15 |
| Transportation for a tot | 24 |
| Toy with tassels | 16 |
| Tot's three-wheeler, informally | 35 |