Ian VanderSchee (aka Mathrix) was born in Canada and lives in the United States. He teaches high school mathematics, presents at educational conferences, and leads mathematics workshops in the United States and Canada.
Ian has been setting crosswords for 1Across since 2020. His grid entitled, “From Point A to Point B” appears in Cryptic Crossroads Vol. 3, published in 2021. Long before that, Ian published weekly cryptic crosswords in his hometown newspaper, the Orono Weekly Times.
Happy New Year to all our readers. We are happy to start a new season of 1ACGrids with "Family Reunion" ...
1ACross is delighted to present Mathrix's latest puzzle "Double Spaced", exclusively for our solvers. Answers can be submitted by anyone ...
1ACross is happy to present “That's a Wrap”, from “Mathrix”, exclusively for our solvers. Answers can be submitted by anyone ...
Happy New Year to all our readers. We are happy to start a new season of 1ACGrids with "Cut Corners" ...
1ACross is happy to present “Trapped”, from “Mathrix”, exclusively for our solvers. Answers can be submitted by anyone who wishes ...
1ACross is happy to present “Not So Loud”, from “Mathrix”, exclusively for our solvers. Answers can be submitted by anyone ...
1ACross is happy to present “Spring Break”, from “Mathrix”, exclusively for our solvers. Answers can be submitted by anyone who ...
1ACross is happy to present “Endless”, from “Mathrix”, exclusively for our solvers. This is Mathrix's third grid for 1ACross. Answers ...
1ACross is happy to present “Fix Hot Messes”, from “Mathrix”, exclusively for our solvers. Answers can be submitted by anyone ...
1ACross is happy to present "A French Connection", a debut grid from "Mathrix", exclusively for our solvers. Answers can be ...
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