経営状況や市場などの有効な分析手段として、データのグラフ化は「鉄板」だ。その中でも、「バブルチャート」は縦軸と横軸に、バブル（円）の大きさも加えた3つの指標でデータを視覚化できる。周囲から「分析が得意な人」と思われるグラフでもある。

Velocity-time graphs show how the velocity (or speed) of a moving object changes with time. These graphs also show if the object is moving at a constant speed or accelerating, decelerating, or still.

If an object moves along a straight line, its motion can be represented by a velocity-time graph. The gradient of the line is equal to the acceleration of the object. Describe the motion of the ...

Excel is probably Microsoft’s most popular developer tool. With a built-in functional programming language that now supports lambdas and variables, Excel has become a tool that people build businesses ...