An A2 periodic table — 420 × 594 mm — printed for a wall you actually study in front of, rather than reduced from a textbook page and enlarged until it blurs.

Type size is the whole design decision

A table you have to walk up to and lean into is a table you stop consulting after the first week. Everything here is sized to be read from across a normal room.

That choice has a cost, and it was made deliberately: fewer elements' worth of secondary data on the sheet, and considerably more white space than a reference chart would carry.

The data on it

• Atomic numbers, symbols, names and standard atomic weights to current IUPAC values

• Weights given to HSC-level precision, not full published precision

• Group families distinguished by tone rather than a rainbow of colours

• Lanthanides and actinides in their conventional detached rows, with the period 6 and 7 gap clearly marked

A wall chart showing six decimal places for every element is displaying data you will never use, at the cost of legibility for data you will.

Readable without a legend

Alkali metals, alkaline earths, transition metals, the metalloid staircase, the halogens, the noble gases and both inner transition series are each identifiable at a glance — and the whole sheet stays quiet enough to live on a wall you look at every day.

The standard layout, on purpose

The detached-rows arrangement is what every board and admission paper assumes. Learning the table in a non-standard layout creates a small but real disadvantage later.

Built to survive being a study object

It is laminated on both sides. This will be taped up, taken down when you move room, taped up again, and it has to survive damp monsoon weather without the ink lifting or the sheet cockling. Lamination also means you can write on it with a whiteboard marker and wipe it clean.

It ships flat in a rigid backed envelope, not rolled. A rolled poster curls at the corners for a month regardless of how you tape it, and a laminated rolled poster keeps its curl considerably longer than a paper one.

Where to hang it

This matters more than most people expect. Above the desk is the obvious choice and the wrong one — you will not look up while working.

The wall you face when you sit down, or one beside a door you pass several times a day, produces far more incidental repetition. That repetition is the only reason a wall chart works at all.

One honest note

A poster teaches recognition, not understanding. Having the table on your wall will make symbols, positions and group memberships automatic over a few months, which is genuinely useful in an examination. It will not teach you periodic trends, and no amount of looking at it will substitute for working through why those trends exist.

Delivery and returns

• Dhaka — 2 working days

• Elsewhere in Bangladesh — 3–5 working days

• A tracking number is sent by SMS on dispatch

• Cash on delivery available in Dhaka, Chittagong and Sylhet

Unused posters can be returned within 7 days; any printing defect is replaced at our cost.