Tõnu Tõnso

(100 Prisoners Problem)

(Some Mathematical Problems in the Game of Chess)

(Extremum Problems in School Mathematics)

(On Modelling of Epidemics in Closed Population: Further Developments of Kermack-McKendrick Model)

(Equations of Lines and Surfaces Using Determinants)

(Bezier Splines and B-Splines)

(Moving Sofa Problem)

(Students’ Common Errors in Mathematics)

(On Mathematical Modelling of Epidemics)

(Quality Assessment of 6th Grade OPIQ Geometry Learning Materials)

(Coupon Collector's Problem and it's Applications)

(Feynman's Triangle Problem and Routh’s Theorem)

(Use of the Roulette in Teaching Probability Theory in Upper Secondary School)

(Mathematical Problems in Economics Based on One Estonian Bus Company)

(Logistic Functions and Their Applications in Different Fields of Life)

(Runge`s Phenomenon)

(About the Lucky Fractions and Anomalous Cancellation)

(Markov Chain)

(Some Population Models)

(Project-based and Collaborative Learning of Mathematics in Secondary School with the Example of Kuusalu High School)

(Introduction to Fractal Geometry or Weird Fractals)

(The Mathematics of Poker)

(Mathematical Games - Manual for the Teachers)

(Visualizing Mathematical Proofs)

(The Buffon- Laplace Needle Problem)

(Gambler's Ruin Problem)

(Construction Methods of Conic Section)

(An Example of Revising the Mathematics Course in Basic School)

(Buffon`s Needle and Coin Problem)

(Platonic and Archimedean Solids)

(Lotka-Volterra Model)

(Random Number Generation)